EasyWorship does not work with projectors that connect to your local area network. These devices normally require a software that sends screen captures to the projector via your local area network. Windows is not able to see these types of devices as a secondary video card, and cannot extend the windows desktop to that network device. Therefore, EasyWorship cannot use that device to send output to.
USB wireless video cards and USB video cards are not recommended for use with EasyWorship. USB video devices will not be able to support the directX functions required for text over video, video transitions and many other functions in EasyWorship.
EasyWorship can use a device that is connected to the secondary video port on your video card. For example a standard monitor, projector or a Wireless PC to TV Converter that uses a sending and receiving unit to transmit video data to the projector will. You could see some delay with these devices.